The general responsibilities of computer network technicians are to troubleshoot technical issues of end users. The entry-level network technician is often a starting point for a network engineer.
The other responsibilities of network technician include

Advanced troubleshooting and network optimization.
Installing, testing, monitoring and maintaining telecom and other related equipment
Executing testing and assessing procedures on network equipment as per standards.
Carrying out fiber splicing and termination.
Monitoring network regularly and resolving issues related to network transmissions and connectivity.
Understanding the need for change or development of networks.
Installing, maintaining and configuring all levels of data communication systems.
Overseeing network issues and troubleshooting when necessary.
Ability to work flexible hours and solve issues related to circuit and connectivity problems.
Providing support to end users of data communication networks.
Keeping the systems up-to-date with firewalls, antivirus software, and spyware, malware, and adware protection software.
Installing routers, switches and other hardware equipment.
Maintaining logs on equipment and other technical requirements.
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